The prosecution bears the duty to provide accurate information to a sentencing court about the precise terms of imprisonment an offender is already serving; this obligation does not fall upon the offender as a circumstance of mitigation. A sentencing court must take into account the full unexpired portion of a parole sentence when applying the totality principle, and speculation about future parole decisions is irrelevant. Sentences for assaults on prison officers should generally be cumulative, but the length must reflect the delay before commencement.
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